package cn.edu.hqu.cst.android.cxy.test4;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.os.Message;

import androidx.annotation.Nullable;
public class MyService extends Service {
    int count=0;
    boolean quit=false;
    MyServiceBinder myServiceBinder=new MyServiceBinder();
    public MyService() { }
    @Override public IBinder onBind(Intent intent){
        return myServiceBinder;
    }
    @Override
    public void onCreate() {
        super.onCreate();
        //创建新 Thread，如果 service 启动每秒钟 count++，如果 quit 为真则退出
        new Thread(){
            public void run() {
                while (!quit) {
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    count++;
                }
            }
        }.start();
    }
    class MyServiceBinder extends Binder {
        public int getCount(){
            return MyService.this.count;
        }
    }
    @Override public void onDestroy() {
        super.onDestroy();
        quit=true;
    }
}

